assert

律师将在法庭上主张她的当事人无罪。

The lawyer will ___assert her client's innocence in court.

这个国家为摆脱殖民统治、维护自身独立而战。

The nation fought to ___assert its independence from colonial rule.

许多研究人员断言社会经济地位影响教育成果。

Many researchers ___assert that socioeconomic status affects educational outcomes.